Home / 8,118.08-12,178.92-2,573.12

Finding the Fourth Proportional to 8,118.08, 12,178.92 and 2,573.12

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Solution

The fourth proportional to 8,118.08, 12,178.92 and 2,573.12 is: 3,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.08 : 12,178.92 = 2,573.12 : x
  2. Step 2: Convert to fraction form
    8,118.08/12,178.92 = 2,573.12/x
  3. Step 3: Cross multiply
    8,118.08x = 12,178.92 × 2,573.12
  4. Step 4: Simplify right side
    8,118.08x = 31,337,822.63
  5. Step 5: Solve for x
    x = 31,337,822.63/8,118.08
  6. Step 6: Final answer
    x = 3,860.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.